2213865

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:91

約数の個数: 48

約数和(自身を含む): 4247040

約数和(自身を除く): 2033175

約数列:

[1, 3, 5, 9, 15, 23, 27, 31, 45, 69, 93, 115, 135, 155, 207, 279, 345, 465, 529, 621, 713, 837, 1035, 1395, 1587, 2139, 2645, 3105, 3565, 4185, 4761, 6417, 7935, 10695, 14283, 16399, 19251, 23805, 32085, 49197, 71415, 81995, 96255, 147591, 245985, 442773, 737955, 2213865]

約数ペア:

[(1, 2213865), (3, 737955), (5, 442773), (9, 245985), (15, 147591), (23, 96255), (27, 81995), (31, 71415), (45, 49197), (69, 32085), (93, 23805), (115, 19251), (135, 16399), (155, 14283), (207, 10695), (279, 7935), (345, 6417), (465, 4761), (529, 4185), (621, 3565), (713, 3105), (837, 2645), (1035, 2139), (1395, 1587)]